Myers Gregory, The medieval Russian Kondakar and the choirbook from Kastoria: a palaeographic study in Byzantine and Slavic musical relations

Myers Gregory, 

«The medieval Russian Kondakar and the choirbook from Kastoria: a palaeographic study in Byzantine and Slavic musical relations», Plainsong and Medieval Music 7:1 (April 1998), p. 21-46. 

Cambridge 1998

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